1099880298 has 24 divisors (see below), whose sum is σ = 2599717536. Its totient is φ = 333297000.

The previous prime is 1099880293. The next prime is 1099880317. The reversal of 1099880298 is 8920889901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1099880291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2777278 + ... + 2777673.

It is an arithmetic number, because the mean of its divisors is an integer number (108321564).

Almost surely, 2^1099880298 is an apocalyptic number.

1099880298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1099880298 is an abundant number, since it is smaller than the sum of its proper divisors (1499837238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1099880298 is a wasteful number, since it uses less digits than its factorization.

1099880298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554970 (or 5554967 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The square root of 1099880298 is about 33164.4432789094. The cubic root of 1099880298 is about 1032.2426698573.

The spelling of 1099880298 in words is "one billion, ninety-nine million, eight hundred eighty thousand, two hundred ninety-eight".